SAP Position on Web Services Choreography March 13 -14, 2003 W3C WS Choreography WG Ivana Trickovic,...
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Transcript of SAP Position on Web Services Choreography March 13 -14, 2003 W3C WS Choreography WG Ivana Trickovic,...
SAP Position on Web Services Choreography
March 13 -14, 2003W3C WS Choreography WG
Ivana Trickovic, Canyang Kevin Liu
SAP AG 2002, Title of Presentation, Speaker Name / 2
Why are we here?
Web Services technology plays a critical role in our product strategies
We have been actively contributing to various standardization efforts, including XMLP, WSD, and WSA
WS Choreography is one of the essential next steps to make WS work for large-scale business applications
SAP AG 2002, Title of Presentation, Speaker Name / 3
What do we expect?
Convergence, not reinvention Leverage existing specifications in workflow, BPM area Take existing web services choreography proposals as initial inputs
ONE vendor-neutral choreography standard Royalty Free Fit with overall web services architecture Represent wide industrial consensus
SAP AG 2002, Title of Presentation, Speaker Name / 4
How should we work?
Don’t wait for 12 months to present the first result Work on mini-steps Present gradual results timely Modularize problem domains if necessary
Expectation is high Demonstrate the capability of converging industrial opinions within a
short time frame
SAP AG 2002, Title of Presentation, Speaker Name / 5
What’s the scope?
In
Description of externally observable behavior
Out
Description of internal Implementation
Transaction protocol
Security protocol
Reliability
SAP AG 2002, Title of Presentation, Speaker Name / 6
Our requirements
Multi-party interactions
Long lasting conversations Describe the order of messages Specify logic units of work Indication of transaction participation
Engagement in multiple conversations at the same time
Conversation identification
Dynamic participation Establish links between services at run-time
Identify “conformant” relationship between external and internal behavior
SAP AG 2002, Title of Presentation, Speaker Name / 7
Our commitments
We are committed to make this WG a success
Initial contributions Co-author and co-submitter of WSCI
Dedicated for active participation in this WG Use cases and requirements Resources for editorship of deliverables Facility for F2F meetings Experiences in workflow and BPM areas